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A210325 Number of 4-divided words of length n over a 3-letter alphabet. 1
0, 0, 0, 0, 6, 56, 343, 1534, 6067, 22162, 76899, 257792, 843616 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

See A210109 for further information.

Row sums of the following table which shows how many words of length n over a 3-letter alphabet are 4-divided in k different ways:

6;

34, 13, 9;

159, 75, 51, 20, 13, 17, 5, 3;

500, 287, 266, 130, 71, 103, 37, 35, 33, 22, 15, 14, 13, 2, 3, 1, 2;

- R. J. Mathar, Mar 25 2012

REFERENCES

Computed by David Scambler, Mar 19 2012

LINKS

Table of n, a(n) for n=1..13.

CROSSREFS

Cf. A210109.

Sequence in context: A166766 A221401 A097126 * A074019 A074018 A074016

Adjacent sequences:  A210322 A210323 A210324 * A210326 A210327 A210328

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Mar 20 2012

STATUS

approved

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Last modified June 17 22:17 EDT 2019. Contains 324200 sequences. (Running on oeis4.)